#!/usr/bin/python
import psutil
import time

def __run__(params):
    now = time.time()

    perfdata = []
    pids = []
    max_time = params.get('max_time', 1800)
    for process in psutil.get_process_list():
        try:
            if ('process_name' in params and process.name == params['process_name'] and (now - process.create_time) > max_time) or \
                ('process_name' not in params and (now - process.create_time) > max_time):
                pids.append("/".join((process.username, process.name, str(process.pid))))
        except psutil.error.NoSuchProcess:
            continue

    perfdata.append(("num_processes", str(len(pids))))
    if len(pids) > 0:
        return [2, "CRIT - %d process running for more than %d seconds: %s" % (len(pids), max_time, ",".join(pids)), "|".join([ "=".join(x) for x in perfdata])]

if __name__ == '__main__':
    __run__({'process_name': 'lmtp'})